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Finding the Fourth Proportional to 54,481.51, 75,190.59 and 32,983.11

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Solution

The fourth proportional to 54,481.51, 75,190.59 and 32,983.11 is: 45,520.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,481.51 : 75,190.59 = 32,983.11 : x
  2. Step 2: Convert to fraction form
    54,481.51/75,190.59 = 32,983.11/x
  3. Step 3: Cross multiply
    54,481.51x = 75,190.59 × 32,983.11
  4. Step 4: Simplify right side
    54,481.51x = 2,480,018,960.07
  5. Step 5: Solve for x
    x = 2,480,018,960.07/54,481.51
  6. Step 6: Final answer
    x = 45,520.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.